Liquid crystal display device having external connecting wirings and auxiliary wirings
First Claim
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1. An electronic device comprising:
- an active matrix display circuit comprising a plurality of thin film transistors formed over a substrate;
a first wiring over said substrate;
an insulating film on said first wiring;
a second wiring on said insulating film for transmitting signals between the outside and inside of a sealant;
a resin film on said second wiring;
a transparent conductive layer on said second wiring; and
a flexible printed circuit on said transparent conductive layer, wherein said first wiring is overlapped with said second wiring, wherein said first wiring is electrically connected to said second wiring, and wherein said second wiring is electrically connected to said flexible printed circuit through said transparent conductive layer.
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Abstract
A height difference under a sealant is reduced in a case where lines are present under the sealant.
There is provided a substrate having an active matrix display circuit and peripheral driving circuits, a counter substrate having a counter electrode provided on the substrate in a face-to-face relationship therewith, a sealant provided between the substrate and the counter substrate such that it surrounds the active matrix display circuit and peripheral driving circuits, a liquid crystal material provided inside the sealant, a plurality of external connection lines provided on the substrate under the sealant with a resin inter-layer film interposed therebetween for electrically connecting the active matrix display circuit and peripheral driving circuits to circuits present outside the sealant and an adjustment layer provided in the same layer as the plurality of external connection lines.
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Citations
20 Claims
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1. An electronic device comprising:
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an active matrix display circuit comprising a plurality of thin film transistors formed over a substrate;
a first wiring over said substrate;
an insulating film on said first wiring;
a second wiring on said insulating film for transmitting signals between the outside and inside of a sealant;
a resin film on said second wiring;
a transparent conductive layer on said second wiring; and
a flexible printed circuit on said transparent conductive layer, wherein said first wiring is overlapped with said second wiring, wherein said first wiring is electrically connected to said second wiring, and wherein said second wiring is electrically connected to said flexible printed circuit through said transparent conductive layer. - View Dependent Claims (2, 3, 4, 5)
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6. An electronic device comprising:
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an active matrix display circuit comprising a plurality of thin film transistors formed over a substrate;
a first wiring over said substrate;
an insulating film on said first wiring;
a second wiring on said insulating film for transmitting signals between the outside and inside of a sealant;
a resin film on said second wiring;
a transparent conductive layer on said second wiring; and
a flexible printed circuit on said transparent conductive layer, wherein said first wiring is parallel with said second wiring, wherein said first wiring is electrically connected to said second wiring, and wherein said second wiring is electrically connected to said flexible printed circuit. - View Dependent Claims (7, 8, 9, 10)
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11. A liquid crystal display device comprising:
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a first substrate and a second substrate opposed to said first substrate;
an active matrix display circuit comprising a plurality of thin film transistors formed over said first substrate;
a first wiring over said substrate;
an insulating film on said first wiring;
a second wiring on said insulating film;
a resin film on said second wiring;
a transparent conductive layer on said second wiring;
a flexible printed circuit on said transparent conductive layer; and
a sealant on said resin film, wherein said second wiring is a wiring for transmitting signals between the outside and inside of said sealant, wherein said first wiring is electrically connected to said second wiring, wherein said second wiring is electrically connected to said flexible printed circuit through said transparent conductive layer, wherein said first wiring is overlapped with said second wiring, wherein said resin film extends beyond said sealant to be in contact with said transparent conductive layer, and wherein said sealant is formed outside said active matrix display circuit. - View Dependent Claims (12, 13, 14, 15)
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16. A liquid crystal display device comprising:
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a first substrate and a second substrate opposed to said first substrate;
an active matrix display circuit comprising a plurality of thin film transistors formed over said first substrate;
a first wiring over said substrate;
an insulating film on said first wiring;
a second wiring on said insulating film;
a resin film on said second wiring;
a transparent conductive layer on said second wiring;
a flexible printed circuit on said transparent conductive layer; and
a sealant on said resin film, wherein said second wiring is a wiring for transmitting signals between the outside and inside of said sealant, wherein said first wiring is electrically connected to said second wiring;
wherein said second wiring is electrically connected to said flexible printed circuit through said transparent conductive layer, wherein said first wiring is parallel with said second wiring;
wherein said resin film extends beyond said sealant to be in contact with said transparent conductive layer, and wherein said sealant is formed outside said active matrix display circuit. - View Dependent Claims (17, 18, 19, 20)
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Specification
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Current AssigneeSemiconductor Energy Laboratory Co., Ltd.
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Original AssigneeSemiconductor Energy Laboratory Co., Ltd.
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InventorsHirakata, Yoshiharu, Yamazaki, Shunpei
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Primary Examiner(s)Ton, Toan
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Assistant Examiner(s)QI, ZHI QIANG
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Application NumberUS09/865,081Publication NumberTime in Patent Office726 DaysField of Search349/153, 349/152, 349/122, 349/149, 349/139, 349/143US Class Current349/139CPC Class CodesG02F 1/133345 Insulating layers G02F1/133...G02F 1/133388 with constructional differe...G02F 1/1339 Gaskets; Spacers; Sealing o...G02F 1/1345 Conductors connecting elect...G02F 1/13454 Drivers integrated on the a...
